.gitignore util/crossgcc/build-* and unpacked source directories

Change-Id: I85b9dffbbe0c7f1ae8cc2b584196775ba2f816df
Signed-off-by: Peter Stuge <peter@stuge.se>
Reviewed-on: http://review.coreboot.org/484
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/.gitignore b/.gitignore
index 6ea623e..a4bbacd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,27 @@
 payloads/external/SeaBIOS/seabios/
 util/crossgcc/tarballs/
 util/crossgcc/xgcc/
+util/crossgcc/Python-*/
+util/crossgcc/acpica-unix-*/
+util/crossgcc/binutils-*/
+util/crossgcc/build-binutils/
+util/crossgcc/build-gcc/
+util/crossgcc/build-gdb/
+util/crossgcc/build-gmp/
+util/crossgcc/build-expat/
+util/crossgcc/build-libelf/
+util/crossgcc/build-mpc/
+util/crossgcc/build-mpfr/
+util/crossgcc/build-python/
+util/crossgcc/expat-*/
+util/crossgcc/gcc-*/
+util/crossgcc/gdb-*/
+util/crossgcc/gmp-*/
+util/crossgcc/libelf-*/
+util/crossgcc/mingwrt-*/
+util/crossgcc/mpc-*/
+util/crossgcc/mpfr-*/
+util/crossgcc/w32api-*/
 *.o
 *.elf
 *.debug